"Pseudo-MPEC" for C16HHF5
Created 2025 Oct 17 10:35:09 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
C16HHF5* C2025 10 16.23984500 16 40.771+09 01 00.19 ~AG6Z 20.46GVNEOCPV00
C16HHF5 C2025 10 16.24543200 16 34.266+09 00 05.72 ~AG6Z 20.30GVNEOCPV00
C16HHF5 C2025 10 16.25100900 16 27.836+08 59 11.51 ~AG6Z 20.51GVNEOCPV00
C16HHF5 mC2025 10 16.28245500 15 51.340+08 54 03.85 ~AG7K 20.78GVNEOCPV00
C16HHF5 mC2025 10 16.28535800 15 47.970+08 53 35.41 ~AG7K 20.47GVNEOCPV00
C16HHF5 mC2025 10 16.28827800 15 44.590+08 53 06.79 ~AG7K 20.61GVNEOCPV00
C16HHF5 mC2025 10 16.29118200 15 41.238+08 52 38.28 ~AG7K 20.53GVNEOCPV00
C16HHF5 !C2025 10 16.29432 00 15 39.69 +08 51 55.6 ~AG7K 20.0 GVNEOCP673
C16HHF5 !C2025 10 16.29612 00 15 37.59 +08 51 38.0 ~AG7K 20.0 GVNEOCP673
C16HHF5 KB2025 10 16.82982000 06 45.55 +07 24 30.3 ~AGKZ 20.3 GVNEOCPI93
C16HHF5 KB2025 10 16.83606600 06 38.75 +07 23 30.5 ~AGKZ 20.7 GVNEOCPI93
C16HHF5 KB2025 10 16.84223800 06 32.03 +07 22 32.1 ~AGKZ 20.2 GVNEOCPI93
C16HHF5 KC2025 10 16.86315400 06 05.49 +07 19 12.4 ~AGLK 20.2 VcNEOCPL01
C16HHF5 KC2025 10 16.86527600 06 03.18 +07 18 52.0 ~AGLK 20.3 VcNEOCPL01
C16HHF5 KC2025 10 16.86764900 06 00.58 +07 18 29.8 ~AGLK 20.2 VcNEOCPL01
C16HHF5 KC2025 10 16.98453 00 03 50.73 +06 59 34.4 ~AH15 20.2 VZNEOCPL04
C16HHF5 KC2025 10 16.99433 00 03 40.32 +06 57 59.6 ~AH15 20.1 VZNEOCPL04
C16HHF5 KC2025 10 17.00724 00 03 26.68 +06 55 54.5 ~AH15 20.4 VZNEOCPL04
C16HHF5 KC2025 10 17.01257 00 03 45.38 +06 55 31.9 ~AH2K 20.1 GXNEOCPW62
C16HHF5 |C2025 10 17.02541000 03 31.930+06 59 52.80 ~AH25 20.5 GVNEOCP807
C16HHF5 |C2025 10 17.03210000 03 24.630+06 58 49.70 ~AH25 21.1 GVNEOCP807
C16HHF5 KC2025 10 17.03579 00 03 20.49 +06 51 53.4 ~AH2K 20.4 GXNEOCPW62
C16HHF5 |C2025 10 17.03879000 03 17.290+06 57 46.50 ~AH25 20.5 GVNEOCP807
C16HHF5 KC2025 10 17.06480 00 02 49.11 +06 47 19.4 ~AH2K 20.2 GXNEOCPW62
C16HHF5 KC2025 10 17.11858500 01 53.98 +06 38 54.2 ~AH3Z 20.7 GVNEOCPH21
C16HHF5 KC2025 10 17.12417900 01 47.91 +06 38 01.2 ~AH3Z 20.6 GVNEOCPH21
Station data:
(673) Table Mountain Observatory, Wrightwood (N34.381485 W117.682170)
US/California. Observers J. Chesley, J. Pittichova. Measurer W. M. Owen
Jr. 0.61-m f/16 reflector + CCD.
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.40-m f/5.32 astrograph + CCD.
(I93) St Pardon de Conques (N44.558670 W0.202960) France. Observers F.
Losse, W. D'Anna. Measurer F. Losse. 0.40-m f/3.7 reflector + CCD.
(L01) Višnjan Observatory, Tičan (N45.290897 E13.749300) Croatia.
Observers K. Korlević, L. Poropat. Measurer K. Korlevic. 1.0-m f/2.9
reflector + CCD.
(L04) ROASTERR-1 Observatory, Cluj-Napoca (N46.820952 E23.596400) Romania.
Observer L. Hudin. 0.1-m f/9 refractor + CCD.
(V00) Kitt Peak-Bok (N31.963125 W111.600190) US/Arizona. Measurers T.
Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A.
D. Grauer, H. Gröller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchoś. 2.25-m
reflector + 4x4K mosaic CCD.
(W62) Comet Hunter Observatory2, New Ringgold (N40.745185 W75.862390)
US/Pennsylvania. Observer J. Maikner. 0.30-m f/3.8 Riccardi-Honders + CCD.
Orbital elements: C16HHF5
Perihelion 2026 Feb 23.922462 +/- 0.0282 TT = 22:08:20.7 (JD 2461095.422462)
Epoch 2025 Oct 17.0 TT = JDT 2460965.5 Earth MOID: 0.0041 Ve: 0.0178
M 190.704931309 +/- 0.048 (J2000 ecliptic) AutoNEOCP
n 1.303046955 +/- 0.000214 Peri. 345.336645 +/- 0.025
a 0.830161659 +/- 9.1e-5 Node 210.824630 +/- 0.006
e 0.23339618 +/- 0.000136 Incl. 1.148808 +/- 0.0011
P 0.756/276.270d H 27.49 G 0.15 U 7.1
q 0.636405096 +/- 0.000182 Q 1.023918222 +/- 2.33e-5
From 26 observations 2025 Oct. 16-17 (21.2 hr); mean residual 0".19
Residuals in arcseconds: 251016 V00 .19- .09- 251016 I93 .04- .12+ 251017 W62 .01+ .20- 251016 V00 .37- .14- 251016 I93 .25- .35- 251017 807 .10+ .09+ 251016 V00 .38+ .03+ 251016 I93 .28- .11- 251017 807 .21+ .08+ 251016 V00 .22+ .05- 251016 L01 .28- .15+ 251017 W62 .14+ .10+ 251016 V00 .07+ .02- 251016 L01 .12+ .06+ 251017 807 .02- .02+ 251016 V00 .04+ .02+ 251016 L01 .32+ .57+ 251017 W62 .03+ .01+ 251016 V00 .12+ .02+ 251016 L04 .30- .26- 251017 H21 .33- .00 251016 673 .13+ .02+ 251016 L04 .02+ .10- 251017 H21 .09+ .07- 251016 673 .20- .05+ 251017 L04 .41+ .05- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 10 17 11 23 56 16.383 +05 48 20.50 .02697 1.0214 156.8 20.8 .088 155 2025 10 17 12 23 55 36.214 +05 41 49.72 .02700 1.0214 156.6 20.8 .089 157 2025 10 17 13 23 54 56.158 +05 35 19.67 .02703 1.0214 156.4 20.8 .091 158 2025 10 17 14 23 54 16.217 +05 28 50.37 .02706 1.0214 156.1 20.8 .092 160 2025 10 17 15 23 53 36.389 +05 22 21.82 .02709 1.0213 155.9 20.8 .094 161 2025 10 17 16 23 52 56.676 +05 15 54.04 .02713 1.0213 155.7 20.8 .095 163 2025 10 17 17 23 52 17.078 +05 09 27.04 .02716 1.0213 155.5 20.8 .097 165 2025 10 17 18 23 51 37.596 +05 03 00.82 .02719 1.0213 155.3 20.8 .099 167 2025 10 17 19 23 50 58.228 +04 56 35.41 .02722 1.0212 155.0 20.8 .101 169 2025 10 17 20 23 50 18.977 +04 50 10.81 .02726 1.0212 154.8 20.9 .104 171 2025 10 17 21 23 49 39.841 +04 43 47.04 .02729 1.0212 154.6 20.9 .106 173 2025 10 17 22 23 49 00.822 +04 37 24.10 .02733 1.0212 154.4 20.9 .109 174 2025 10 17 23 23 48 21.919 +04 31 02.00 .02736 1.0211 154.1 20.9 .112 176 2025 10 18 00 23 47 43.134 +04 24 40.76 .02739 1.0211 153.9 20.9 .116 178 2025 10 18 01 23 47 04.465 +04 18 20.38 .02743 1.0211 153.7 20.9 .119 0 2025 10 18 02 23 46 25.914 +04 12 00.88 .02746 1.0211 153.5 20.9 .123 2 2025 10 18 03 23 45 47.480 +04 05 42.26 .02750 1.0210 153.3 20.9 .127 4 2025 10 18 04 23 45 09.165 +03 59 24.54 .02754 1.0210 153.0 20.9 .131 6 2025 10 18 05 23 44 30.967 +03 53 07.73 .02757 1.0210 152.8 20.9 .136 8 2025 10 18 06 23 43 52.887 +03 46 51.82 .02761 1.0210 152.6 20.9 .141 10 2025 10 18 07 23 43 14.926 +03 40 36.84 .02765 1.0209 152.4 21.0 .146 11 2025 10 18 08 23 42 37.083 +03 34 22.79 .02768 1.0209 152.2 21.0 .151 13 2025 10 18 09 23 41 59.359 +03 28 09.68 .02772 1.0209 152.0 21.0 .157 14 2025 10 18 10 23 41 21.754 +03 21 57.52 .02776 1.0209 151.7 21.0 .163 16 2025 10 18 11 23 40 44.268 +03 15 46.32 .02780 1.0208 151.5 21.0 .169 17 2025 10 18 12 23 40 06.902 +03 09 36.09 .02784 1.0208 151.3 21.0 .175 19 2025 10 18 13 23 39 29.654 +03 03 26.82 .02787 1.0208 151.1 21.0 .182 20 2025 10 18 14 23 38 52.526 +02 57 18.54 .02791 1.0208 150.9 21.0 .189 21 2025 10 18 15 23 38 15.518 +02 51 11.25 .02795 1.0207 150.7 21.0 .196 22 2025 10 18 16 23 37 38.629 +02 45 04.96 .02799 1.0207 150.4 21.0 .204 24 2025 10 18 17 23 37 01.860 +02 38 59.67 .02803 1.0207 150.2 21.0 .211 25 2025 10 18 18 23 36 25.211 +02 32 55.39 .02807 1.0206 150.0 21.1 .219 26 2025 10 18 19 23 35 48.682 +02 26 52.13 .02811 1.0206 149.8 21.1 .227 27 2025 10 18 20 23 35 12.273 +02 20 49.90 .02815 1.0206 149.6 21.1 .235 28 2025 10 18 21 23 34 35.984 +02 14 48.70 .02820 1.0206 149.4 21.1 .244 28 2025 10 18 22 23 33 59.815 +02 08 48.54 .02824 1.0205 149.2 21.1 .253 29 2025 10 18 23 23 33 23.767 +02 02 49.42 .02828 1.0205 148.9 21.1 .262 30 2025 10 19 00 23 32 47.838 +01 56 51.36 .02832 1.0205 148.7 21.1 .271 31 2025 10 19 01 23 32 12.030 +01 50 54.35 .02836 1.0205 148.5 21.1 .280 32 2025 10 19 02 23 31 36.342 +01 44 58.40 .02841 1.0204 148.3 21.1 .290 32 2025 10 19 03 23 31 00.775 +01 39 03.53 .02845 1.0204 148.1 21.1 .299 33 2025 10 19 04 23 30 25.328 +01 33 09.73 .02849 1.0204 147.9 21.1 .309 34 2025 10 19 05 23 29 50.001 +01 27 17.01 .02854 1.0203 147.7 21.2 .319 34 2025 10 19 06 23 29 14.794 +01 21 25.37 .02858 1.0203 147.5 21.2 .330 35 2025 10 19 07 23 28 39.708 +01 15 34.83 .02862 1.0203 147.3 21.2 .340 35 2025 10 19 08 23 28 04.742 +01 09 45.38 .02867 1.0203 147.1 21.2 .351 36 2025 10 19 09 23 27 29.896 +01 03 57.03 .02871 1.0202 146.8 21.2 .361 37 2025 10 19 10 23 26 55.171 +00 58 09.79 .02876 1.0202 146.6 21.2 .372 37